/**
 * Copyright (c) 2010 portletfaces.org All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package org.portletfaces.bridge.container.websphere;

import javax.portlet.MimeResponse;
import javax.portlet.PortletRequest;
import javax.portlet.PortletResponse;

import org.portletfaces.bridge.container.PortletContainerImpl;
import org.portletfaces.bridge.context.map.ApplicationMap;


public class PortletContainerWebSphereImpl extends PortletContainerImpl {

    //IW:TODO - WebSphere Really extends the Pluto Container
    // Private Constants
    private static final String CONTENT_TYPE_APPLICATION_XHTML_XML = "application/xhtml+xml";
    private static final String CONTENT_TYPE_TEXT_HTML = "text/html";


	public PortletContainerWebSphereImpl(PortletRequest portletRequest, PortletResponse portletResponse,
		String responseNamespace, ApplicationMap applicationMap) {
		super(portletRequest, portletResponse, responseNamespace, applicationMap);
	}

	@Override
	public boolean isAbleToSetResourceResponseBufferSize() {

		// The WebSphere javax.portlet.PortletResponse.setBufferSize(int) implementation throws an exception so return
		// false in order to indicate that this is not supported in WebSphere.
		return false;
	}

	@Override
	public void setMimeResponseContentType(MimeResponse mimeResponse, String contentType) {

		String contentTypeForPluto = null;

		// If the specified contentType is "application/xhtml+xml" use "text/html" instead. That's the only value that
		// Pluto's RenderResponseImpl.setContentType(String) will be happy with, even though Pluto's "ACCEPT" header
		// claims it can accept "application/xhtml+xml".
		if (CONTENT_TYPE_APPLICATION_XHTML_XML.equals(contentType)) {
			contentTypeForPluto = CONTENT_TYPE_TEXT_HTML;
		}

		// Otherwise, use the specified contentType.
		else {
			contentTypeForPluto = contentType;
		}

		mimeResponse.setContentType(contentTypeForPluto);
	}

    /**
	 * Determines whether or not the portlet container supports the standard Portlet 2.0 mechanism for adding resources
	 * to the <head>...</head> section of the rendered portal page. Section PLT.12.5.4 of the Portlet 2.0 spec indicates
	 * that this is an "optional" feature for vendors to implement.
	 *
	 * @return  True if the portlet container supports the standard Portlet 2.0 mechanism for adding resources.
	 */
    @Override
    public boolean isAbleToAddScriptResourceToHead() {
        //WebSphere Portal v7 is able to add to the head using doHeaders in a two phased render approach
        //given that the bridge doesn't support this, we ignore the container value because we aren't able to
        //do this yet.
        return false;
    }
}